A) no B) yes
A) nitrogen B) argon C) helium
A) solvent B) suspension C) solute
A) suspension B) solvent C) solute
A) alcohol B) oil C) salt D) water
A) 21 % oxygen B) 78 % nitrogen C) 100 % radon D) 0.04 % carbon dioxide
A) oxygen, carbon dioxide, water vapor B) mud, salt, coffee C) baking soda, sugar, fructose
A) dispersion B) dissociation C) ionization D) polarization
A) covalent ; ionic B) ionic ; polar C) nonpolar; ionized
A) polarization B) dissociation C) dispersion
A) nonpolar B) ionic C) polar D) valence
A) dissociation B) dispersion C) ionization
A) dispersion B) ionization C) polarization
A) NH4+ B) OH- C) H3O+
A) electrolyte B) nonelectrolyte
A) acid B) neutral C) base
A) increases B) remains the same C) decreases
A) increases B) decreases C) remains the same
A) gasoline B) hydraulic fluid C) antifreeze D) transmission fluid
A) remains the same B) decreases C) increases
A) exothermic B) endothermic C) homogeneous D) heterogeneous
A) exothermic B) homogeneous C) heterogeneous D) endothermic
A) the freezing point changes B) the boiling point changes C) it releases cold when the solute dissolves D) it absorbs heat when the solute dissolves
A) stirring the solutions B) the surface area of the solute C) the temperature of the solvent D) the color of the solute and solvent
A) add more sugar to the solution B) stir the solution C) heat up the solution D) cool off the solution
A) covalent;nonpolar B) polar;covalent C) ionic; ionic D) nonpolar; polar
A) the heat increases the solubility of gases B) greenhouse gases are produced C) dissolved gasses come out of solution D) hydrogen escapes the water
A) the sugar in the soda makes the bubbles B) the temperature decreases C) the water in the soda has a high freezing point D) the pressure is suddenly reduced
A) sulfuric acid B) lactic acid C) boric acid D) carbonic acid
A) hydrochloric acid B) phosphoric acid C) bubonic acid D) nitric acid
A) sweet B) bitter C) sour
A) it turns blue B) it turns yellow C) it turns red D) it turns black
A) OH- B) H3O+ C) CH4 D) CO32-
A) sweet B) sour C) bitter
A) sticky B) slippery C) powdery
A) it turns blue B) it turns red C) it turns white D) it turn pink
A) phenolphthalein B) ethylene glycol C) ammonium nitrate D) sodium acetate
A) combustion B) neutralization C) oxidation D) base reduction
A) gas and water B) rust and salt C) sugar and water D) salt and water |